Imagine developing a real tan without having to expose your skin to the sun – while increasing your defence against UV rays.
It sounds too good to be true, but thanks to scientists at the Massachusetts General Hospital it isn't.
Unlike fake tans that effectively stain the skin, this new drug - which is rubbed onto the skin -mimics sunlight to actually make you tanned.
It works by tricking the skin into producing the brown form of the pigment melanin, the body's natural sunblock. Skip the UV light causing this colour change and you also skip the skin damage.
With rates of skin cancer on the rise, this could mean a real breakthrough for the lack of medical progression in the area.
Dr David Fisher, one of the researchers, told BBC News: 'Our real goal is a novel strategy for protecting skin from UV radiation and cancer.
'Dark pigment is associated with a lower risk of all forms of skin cancer - that would be really huge.'
It could also be beneficial for delaying signs of ageing by keeping the skin healthier for longer. Given that UV damage is the biggest cause of skin ageing, this additional protection is music to our ears.